Multiplication Assignment(*=) Operator in JavaScript Last Updated : 23 Jul, 2025 Comments Improve Suggest changes Like Article Like Report Multiplication Assignment Operator(*=) in JavaScript is used to multiply two operands and assign the result to the right operand. Syntax: variable1 *= variable2 // variable1 = variable1 * variable2 Example 1: In this example, we multiply two numerical values using the Multiplication Assignment Operator(*=) and assign the result variable in javascript. JavaScript let number = 5; number *= 2; console.log(number); // Expected output:10 Output: 10 Example 2: Here we perform multiplication with a non-Numeric value and it will return NaN using the Multiplication Assignment Operator(*=) in javascript. JavaScript let number = 10; number *= "GeeksforGeeks"; console.log(number); // Expected outout: NaN Output: NaN We have a complete list of Javascript Assignment operators, to check those please go through the Javascript Assignment operators. Supported browser: Chrome 1Edge 12Firefox 1Safari 1Opera 3 Comment More info V vishalkumar2204 Follow Improve Article Tags : JavaScript Web Technologies javascript-operators Explore JavaScript BasicsIntroduction to JavaScript4 min readVariables and Datatypes in JavaScript6 min readJavaScript Operators5 min readControl Statements in JavaScript4 min readArray & StringJavaScript Arrays7 min readJavaScript Array Methods7 min readJavaScript Strings5 min readJavaScript String Methods9 min readFunction & ObjectFunctions in JavaScript5 min readJavaScript Function Expression3 min readFunction Overloading in JavaScript4 min readObjects in JavaScript4 min readJavaScript Object Constructors4 min readOOPObject Oriented Programming in JavaScript3 min readClasses and Objects in JavaScript4 min readWhat Are Access Modifiers In JavaScript ?5 min readJavaScript Constructor Method7 min readAsynchronous JavaScriptAsynchronous JavaScript2 min readJavaScript Callbacks4 min readJavaScript Promise4 min readEvent Loop in JavaScript4 min readAsync and Await in JavaScript2 min readException HandlingJavascript Error and Exceptional Handling6 min readJavaScript Errors Throw and Try to Catch2 min readHow to create custom errors in JavaScript ?2 min readJavaScript TypeError - Invalid Array.prototype.sort argument1 min readDOMHTML DOM (Document Object Model)9 min readHow to select DOM Elements in JavaScript ?3 min readJavaScript Custom Events4 min readJavaScript addEventListener() with Examples9 min readAdvanced TopicsClosure in JavaScript4 min readJavaScript Hoisting6 min readScope of Variables in JavaScript3 min readJavaScript Higher Order Functions7 min readDebugging in JavaScript4 min read Like